Jackson e



(NQ Model.)

J. R. BAKER. y

. GAR AXLE BOX.

N0. 370,034. Patented Sept. 20, 1887.

UNI-TED STATES JAOKSON R. BAKER, OF JERSEY CITY, NEW JERSEY, ASSIGNOR TOTHE BAKER ADJUSTABLE BEARING COMPANY, OF NEWV YORK, N. Y.

CAR-AXLE BOX.

SPBCIPICATION forming part of Letters Patent N0. 370.034. datedSeptember 20. 1887.

Application fi1ed Inne 29, 1887.

Be iE known EhaE I, J AOKSON R. BAKER, of Jersey CiEy, in Ehe counEy fHudson and SEaEe 0t' New Jersey, have invented a cerEain new and usefulImprovemenE in OanAxle Bearings, of whieh I deelare Ehe following Eo bea full, clear, and exacE specifieation, reference being hacl Eo Eheaecornpanying drawings, forming a parE Ehereof.

This invenEion is in Ehe nature 0f an improve menE in ear-axle bearings;and the invenEion consists 0f a earaxle bearing consErueted and combinedsubsbantially in Ehe mann.er and f01 Ehe purpose herein parEieularlydescribed.

In Ehe aecoxn panying sheeE 0f drawings,Figure 1 is a verEical secEionin Ehe liney yFig. 2,0f a car-axle b0x, showing Ehe applicaEion of mybearing Ehere1'n. Fig. 2 is a plan 01' t0p view in seeEion taken in Eheline x w, Fig. l. Fig. 3 is a E0p view of the key, and Fig. 4a Eop viewof Ehe axle bearing or brass.

Similar leEEers 0f referenee indlcate 1ike parEs in Ehe several views.

This invention relaEes particularly Eo animprovemenb in Ehe applicaEionof Ehe adjustable axlebearings heretofore patented by mein sevoralLeEters PatenE. The disEinguishing fea- Eure of such patentedaxle-bearings is Ehe adjnsE-ability 0l' the bearing Eo Ehe irregular m0-tions of Ehe axle, caused by inequalilies in Ehe Erack and 0Eherwise. T0adapts Ehese adjusE- able bearings Eo Ehe purpose f0r which Ehey weredesigned, however, iE was found necessary t0 construcE Ehe axle box 0rhousing 0f specific 0x speeial fonn in some parEiculars, and Ehe chiefpurpose 0f Ehis presenEinvenEion is Eo penniE Ehe easy applieation of myafore-' said patented bearings Eo Ehe axle boxes 01 housings of anyordinary construcEion.

T0 EhaE end, referring Eo Ehe drawings, wherein E represents an ordinaryaxlebox, such as is in common use on railways, I uEilize Ehe ordinarysEopsf whieh are casE Eo Ehe inne1 Eop surl'aees 0f such boxes, and alsoEhe lugs h, whieh are also casE on said boxes and Eo Ehe inner surfacesof Ehe sides Ehereof. 'lo an axleb0x having Ehese features I fiE what Imay eall akey, A. Thiskeyis of easE meEal,and in iE is casE a cireularrecess, k, in which recess 1's fiEEed 111y eentral bearing, B. This keyAis Serial N0. 242,846. (N0 model.)

provided wiEh lugs a, whieh Eerminate in hook projeeEions b, and Ehe keyhas formed 011 iE 1ugs g, also.

G represents Ehe axle-brass WiEh a eenE-ral cireular convex projection,l, whieh proj eeEion enters inEo Ehe concavity 0f Ehe bearing B, Ehelower surfaee 0f Ehe brass C resEing upon Ehe surface 0f Ehe journal Dof Ehe car-axle.

The construetion of Ehe brass C and Ehe bearing B in Ehe parEieularsnamed in 110 wise differing from Ehe consbrnebion described in myprevious patents, it will noE be neeessary E0 repeaE EhaE deseripEionminnEely again, a referenee Eo Ehese patenEs, partieularly EhaE 0f 1881,being sufficient; buE by reason 0f Ehe 6 eonstrucEion 0f Ehe key A t0 myadjusbable bearings, as aforesaid, I am enabled E0 apply Ehese bearingsEo Ehe ordinary axle-box, andto d0 Ehis iE is simply neeessary Eo insertEhe key A, containing wiEhin iE Ehe bearing B, wiEhin Ehe axle-box EunEil Ehelugs a 0f Ehe key abuE againsl: Ehe ordinary stops,f,of EheboxEhe box beingjacked up, as is eusEomary when fiEEing brasses. 'Ihebrass G being inserEedas sEaEed, and as is shown in Fig. l, Ehe key A isplaeed over iE-, iEs eoncave parE receiving Ehe convex parE l of Ehebr-ass O, Ehe lower surface 0f Ehe brass C resEing 0n Ehejournal D, soEhaE when Ehe jaek is removed from beneaEh Ehe box Ehe weighE 0f the carbrings Ehe upper surface 0f Ehe key A in elose conEaeE wiEh Ehe undersurfaee, e, et Ehe Eop of Ehe box E, Ehe convex parE Z of Ehe brass Osnugly wiEhin Ehe coueaviEy 0f Ehe bearing B,and Ehe underbearingsurl'aee of Ehe brass O EighEly againsE Ehe sur face 0fEhejournal D, and when thisis done Ehe flxing of Ehe keybearing.andbrassEo EhejournalwiEhintheboxiseompleEed. Now,whenEhe several parts are adjusted, as described, wiEhin Ehe box, any horizonEal ouEwa-rd movemenE of0 Ehe key A wiEhin Ehe box is checked by Ehe eontacE 0f Ehe ends of Ehelugs a of Ehe key wiEh Ehe sEops f, casE wiEhin Ehe box, andanyhorizontal inward movernenE of Ehe key A is cheeked by Ehe conEaeE 0fEhe lugs 0f Ehe key 5 WiEh Ehe lugs h, casE Eo Ehe sides of Ehe box, andany horizontal sidewise rnoEion of Ehe key A within Ehe box is checkedby Ehe contacl; of Ehe sides of the key wiEh Ehe aforesaid lugs h,

the key being held againsE vertieal play by the Weighb of 1he car,which, by reason of the interposed brass O and beaxing B, jams it;between the Journal D and the undertopsurface of bhe box.

From the foregoing it is p1ain thab my ad j usba 1ble bearings are asreadily applied to the ordinary axle-boxes as are the common andwell-known axle-brasses, and it is also plziin that when so applied.they are quite as effecbive as they wouid be if applied '00 boxes.specia11y constructed for them, for the brass O has thesame horizontalplaybeing limited only by the curbs 0r Shops c a11d d, the Shop dentering in the spa'ce between the lugs a of the key A, provided forthat p1irpose, and the head m 0f the journal Dand being limibed in theother direction by t-he stop c, and the key A, and the ax1e u, and bepivotal action of the couvex parb Z within the concavity of the bearingB is in 110 wise interfered with.

Another advantage growing out 0f the apthe ordinary and common brass canbe inserted within the box in precisely the same manner vand. with thesame facility as such brasses are now inserted.

The purpose of be projeetions b of the lugs a of bhe key is 130facilitzate the reversal of the key A, sh.ou1d il: become necessary, asstated, since they add to the end surface 0f the lugs a and insure thebearing of these ends against the stopsf in 1;he axle-box, and they alsopresent obstacles against which a packing-hook may engage when 113 isused 130 wibhdraw the key from the box. 4

Having now deseribed my invention, what JAOKSON B; BAKER. In presenceof- G. M. PLYMPTON, D. A. CARPENTER.

